Home / 1,236,448,029.60-1,854,672,044.40-663,139,101.60

Finding the Fourth Proportional to 1,236,448,029.60, 1,854,672,044.40 and 663,139,101.60

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Solution

The fourth proportional to 1,236,448,029.60, 1,854,672,044.40 and 663,139,101.60 is: 994,708,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,448,029.60 : 1,854,672,044.40 = 663,139,101.60 : x
  2. Step 2: Convert to fraction form
    1,236,448,029.60/1,854,672,044.40 = 663,139,101.60/x
  3. Step 3: Cross multiply
    1,236,448,029.60x = 1,854,672,044.40 × 663,139,101.60
  4. Step 4: Simplify right side
    1,236,448,029.60x = 1,229,905,553,286,051,328
  5. Step 5: Solve for x
    x = 1,229,905,553,286,051,328/1,236,448,029.60
  6. Step 6: Final answer
    x = 994,708,652.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.